| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
14.5%
|
|
| 1 | 3 |
4.3%
|
|
| 2 | 9 |
13%
|
|
| 3 | 11 |
15.9%
|
|
| 4 | 26 |
37.7%
|
|
| 5 | 9 |
13%
|
|
| 6 | 1 |
1.4%
|
|
| Sysmiss | 241 |